Dilate/erode image. Applies a morphological dilate (radius > 0) or erode (radius < 0) to the image data.
Dilate/erode radius in pixels (int -100..100).
* is in pixels relative to the composite image. If the image is color, each component is processed independently.
Primarily used to modify the size of layer effects. Also useful to achieve special effects on text layers or solid color layers with masks.
Layer attribute. Applies to the current layer or to the composite image if
op_grow=0, for no change.